Granted Patent
Utility
US 5,058,161 · App. 07/429,326
Method and apparatus for secure identification and verification
Inventor:
Kenneth P. Weiss
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Oct 31, 1989
Inventor
Kenneth P. Weiss
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.